Sonos BU130 Digital Music System Bundle (Discontinued by Manufacturer) Includes two Sonos ZonePlayers and one Sonos Controller Lets you enjoy the music files on your PC or networked hard drive anywhere in your house Hassle-free wireless networking capability Controller offers a 3.5" color LCD and a clickwheel control the provide easy browsing of your PC music library Multi-zone synchronous playback (same music plays in multiple zones simultaneously) or multi-stream playback